Product Overview


Internal Floating Roof for Safety Oil Storage Tank



CPEPT Internal Floating Roofs are to be of the non-contact type per API650 Appendix H Section H, consisting of a series of interconnected hollow tubular pontoons surfaced with a grid of aluminum beams and sheets.


CPEPT Internal Floating Roofs have been successfully protecting storage tanks and reduced evaporation for years. This success is attributed to the advanced design and high quality, combined with experienced installation personnel.


CPEPT Internal Floating Roofs are known for their rugged construction, durability and efficiency. They are lightweight, corrosion resistant and virtually maintenance free.


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Model Description


  ZLFΦ60000mm/50000 m³




Structure Drawing

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  •   Design to hexagon in radial pattern, structural stable.
  •   Buoyancy distribute evenness, outer pontoon arranged reasonable and help to offset the friction from internal floating roof’s        perimeter seal and tank shell.
  •   Pontoon is standardized, easy to maintenance and replacement.
  •   Material diversification, available in aluminum alloy, stainless steel and carbon steel.

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Our Services


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Customers Notices

Each internal floating roof is tailor-made. Therefore,we need you to send us specific technical data and requirements.

Please provide the following information and let us supply excellent products for you.

  1. Tank diameter
  2. Tank height
  3. Stored product
  4. Density of stored product
  5. Seal requirements
Packaging & Shipping

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Company Information


Hunan Changjiang Petrochemical Environmental Protection Technology Co., Ltd. (CPEPT) is a new high-tech manufacturing enterprise specialized in design, production, marketing, installation and service of petrochemical storage and transfer equipment & system.


CPEPT offers wide variety in products for the tank storage and fluid transfer in the petroleum and petrochemical industry. Our main products include: 


Storage Tank Equipment

•      Internal Floating Roofs

•      Floating Roof Seals

•      Wax Scraper

•      Floating Suction Unit

•      Steam-water Separation Heater


Fluid Handling Equipment

•      Loading Arms

•      Folding Stairs

•      Skid mounted Loading Modules

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CPEPT has been certified to ISO9001 Quality Management System, ISO14000 Environment Management System, OHSAS18001 Occupation Health Safety Management System and several national patents, and we has obtained several national patents.



Our Clients

With customers like SINOPEC, PETROCHINA, CNOOC, and China National Aviation Fuel, Sinochem Group, Energy China, Stolt, Vopak, Cargill, ChangChun Chemical, we have designed, manufactured and installed these products in Iraq, Iran, Syria, Ghana, Nigeria, Ireland, Singapore, New Zealand, Korea, Vietnam, Malaysia, Indonesia, Kazakhstan, Sudan and Yemen etc.


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1. Are you trading company or manufacturer?

We are professional manufacturer, and our factory mainly produce internal floating roofs, loading arms, skid-mounted loading system, folding stairs, floating suction unit, tank accessories etc. Our products have been exported to more than 20 countries of Africa, Middle East, Asia, South America and get a good reputation in the world.


2. Are your products qualified?

Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every parts before leaving our factory. 


3.Do you have after service?

Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineers to your jobsite and provid the training for your staff.


4. What about the qaulity warranty?

We offer one-year quality warranty for internal floating roof.




0.0326 s.